FIGURE 4. A & B in A taxonomic reappraisal of the Smooth Slug Snake Asthenodipsas laevis (Boie, 1827) (Squamata: Pareidae) in Borneo with the description of two new species

FIGURE 4. A & B. Dorsum and venter of holotype of Asthenodipsas jamilinaisi sp. nov. (SP 04076). C & D. Dorsum and venter of paratype of A. jamilinaisi sp. nov. (ZRC 2.2742). Photographs by Kelvin Lim. E. Sharp vertebral keel of the holotype of A. jamilinaisi sp. nov. (SP 04679) as indicated by arrow. F. Absence of sharp vertebral keel on A. laevis (SP 04138) from Borneo as indicated by arrow.